20078138280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4001}}^1$

素因数の和:4136

約数の個数: 256

約数和(自身を含む): 66388377600

約数和(自身を除く): 46310239320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 71, 76, 93, 95, 114, 120, 124, 142, 152, 155, 186, 190, 213, 228, 248, 284, 285, 310, 355, 372, 380, 426, 456, 465, 568, 570, 589, 620, 710, 744, 760, 852, 930, 1065, 1140, 1178, 1240, 1349, 1420, 1704, 1767, 1860, 2130, 2201, 2280, 2356, 2698, 2840, 2945, 3534, 3720, 4001, 4047, 4260, 4402, 4712, 5396, 5890, 6603, 6745, 7068, 8002, 8094, 8520, 8804, 8835, 10792, 11005, 11780, 12003, 13206, 13490, 14136, 16004, 16188, 17608, 17670, 20005, 20235, 22010, 23560, 24006, 26412, 26980, 32008, 32376, 33015, 35340, 40010, 40470, 41819, 44020, 48012, 52824, 53960, 60015, 66030, 70680, 76019, 80020, 80940, 83638, 88040, 96024, 120030, 124031, 125457, 132060, 152038, 160040, 161880, 167276, 209095, 228057, 240060, 248062, 250914, 264120, 284071, 304076, 334552, 372093, 380095, 418190, 456114, 480120, 496124, 501828, 568142, 608152, 620155, 627285, 744186, 760190, 836380, 852213, 912228, 992248, 1003656, 1136284, 1140285, 1240310, 1254570, 1420355, 1488372, 1520380, 1672760, 1704426, 1824456, 1860465, 2272568, 2280570, 2356589, 2480620, 2509140, 2840710, 2976744, 3040760, 3408852, 3720930, 4261065, 4561140, 4713178, 4961240, 5018280, 5397349, 5681420, 6817704, 7069767, 7441860, 8522130, 8806201, 9122280, 9426356, 10794698, 11362840, 11782945, 14139534, 14883720, 16192047, 17044260, 17612402, 18852712, 21589396, 23565890, 26418603, 26986745, 28279068, 32384094, 34088520, 35224804, 35348835, 43178792, 44031005, 47131780, 52837206, 53973490, 56558136, 64768188, 70449608, 70697670, 80960235, 88062010, 94263560, 105674412, 107946980, 129536376, 132093015, 141395340, 161920470, 167317819, 176124020, 211348824, 215893960, 264186030, 282790680, 323840940, 334635638, 352248040, 501953457, 528372060, 647681880, 669271276, 836589095, 1003906914, 1056744120, 1338542552, 1673178190, 2007813828, 2509767285, 3346356380, 4015627656, 5019534570, 6692712760, 10039069140, 20078138280]

約数ペア:

[(1, 20078138280), (2, 10039069140), (3, 6692712760), (4, 5019534570), (5, 4015627656), (6, 3346356380), (8, 2509767285), (10, 2007813828), (12, 1673178190), (15, 1338542552), (19, 1056744120), (20, 1003906914), (24, 836589095), (30, 669271276), (31, 647681880), (38, 528372060), (40, 501953457), (57, 352248040), (60, 334635638), (62, 323840940), (71, 282790680), (76, 264186030), (93, 215893960), (95, 211348824), (114, 176124020), (120, 167317819), (124, 161920470), (142, 141395340), (152, 132093015), (155, 129536376), (186, 107946980), (190, 105674412), (213, 94263560), (228, 88062010), (248, 80960235), (284, 70697670), (285, 70449608), (310, 64768188), (355, 56558136), (372, 53973490), (380, 52837206), (426, 47131780), (456, 44031005), (465, 43178792), (568, 35348835), (570, 35224804), (589, 34088520), (620, 32384094), (710, 28279068), (744, 26986745), (760, 26418603), (852, 23565890), (930, 21589396), (1065, 18852712), (1140, 17612402), (1178, 17044260), (1240, 16192047), (1349, 14883720), (1420, 14139534), (1704, 11782945), (1767, 11362840), (1860, 10794698), (2130, 9426356), (2201, 9122280), (2280, 8806201), (2356, 8522130), (2698, 7441860), (2840, 7069767), (2945, 6817704), (3534, 5681420), (3720, 5397349), (4001, 5018280), (4047, 4961240), (4260, 4713178), (4402, 4561140), (4712, 4261065), (5396, 3720930), (5890, 3408852), (6603, 3040760), (6745, 2976744), (7068, 2840710), (8002, 2509140), (8094, 2480620), (8520, 2356589), (8804, 2280570), (8835, 2272568), (10792, 1860465), (11005, 1824456), (11780, 1704426), (12003, 1672760), (13206, 1520380), (13490, 1488372), (14136, 1420355), (16004, 1254570), (16188, 1240310), (17608, 1140285), (17670, 1136284), (20005, 1003656), (20235, 992248), (22010, 912228), (23560, 852213), (24006, 836380), (26412, 760190), (26980, 744186), (32008, 627285), (32376, 620155), (33015, 608152), (35340, 568142), (40010, 501828), (40470, 496124), (41819, 480120), (44020, 456114), (48012, 418190), (52824, 380095), (53960, 372093), (60015, 334552), (66030, 304076), (70680, 284071), (76019, 264120), (80020, 250914), (80940, 248062), (83638, 240060), (88040, 228057), (96024, 209095), (120030, 167276), (124031, 161880), (125457, 160040), (132060, 152038)]