128613420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 240

約数和(自身を含む): 450793728

約数和(自身を除く): 322180308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 197, 234, 260, 270, 279, 310, 324, 351, 372, 390, 394, 403, 405, 465, 468, 540, 558, 585, 591, 620, 702, 780, 788, 806, 810, 837, 930, 985, 1053, 1116, 1170, 1182, 1209, 1395, 1404, 1612, 1620, 1674, 1755, 1773, 1860, 1970, 2015, 2106, 2340, 2364, 2418, 2511, 2561, 2790, 2955, 3348, 3510, 3546, 3627, 3940, 4030, 4185, 4212, 4836, 5022, 5122, 5265, 5319, 5580, 5910, 6045, 6107, 7020, 7092, 7254, 7683, 8060, 8370, 8865, 10044, 10244, 10530, 10638, 10881, 11820, 12090, 12214, 12555, 12805, 14508, 15366, 15957, 16740, 17730, 18135, 18321, 21060, 21276, 21762, 23049, 24180, 24428, 25110, 25610, 26595, 30535, 30732, 31914, 32643, 35460, 36270, 36642, 38415, 43524, 46098, 50220, 51220, 53190, 54405, 54963, 61070, 63828, 65286, 69147, 72540, 73284, 76830, 79391, 79785, 91605, 92196, 106380, 108810, 109926, 115245, 122140, 130572, 138294, 153660, 158782, 159570, 163215, 164889, 183210, 207441, 217620, 219852, 230490, 238173, 274815, 276588, 317564, 319140, 326430, 329778, 345735, 366420, 396955, 414882, 460980, 476346, 494667, 549630, 652860, 659556, 691470, 714519, 793910, 824445, 829764, 952692, 989334, 1037205, 1099260, 1190865, 1382940, 1429038, 1587820, 1648890, 1978668, 2074410, 2143557, 2381730, 2473335, 2858076, 3297780, 3572595, 4148820, 4287114, 4763460, 4946670, 6430671, 7145190, 8574228, 9893340, 10717785, 12861342, 14290380, 21435570, 25722684, 32153355, 42871140, 64306710, 128613420]

約数ペア:

[(1, 128613420), (2, 64306710), (3, 42871140), (4, 32153355), (5, 25722684), (6, 21435570), (9, 14290380), (10, 12861342), (12, 10717785), (13, 9893340), (15, 8574228), (18, 7145190), (20, 6430671), (26, 4946670), (27, 4763460), (30, 4287114), (31, 4148820), (36, 3572595), (39, 3297780), (45, 2858076), (52, 2473335), (54, 2381730), (60, 2143557), (62, 2074410), (65, 1978668), (78, 1648890), (81, 1587820), (90, 1429038), (93, 1382940), (108, 1190865), (117, 1099260), (124, 1037205), (130, 989334), (135, 952692), (155, 829764), (156, 824445), (162, 793910), (180, 714519), (186, 691470), (195, 659556), (197, 652860), (234, 549630), (260, 494667), (270, 476346), (279, 460980), (310, 414882), (324, 396955), (351, 366420), (372, 345735), (390, 329778), (394, 326430), (403, 319140), (405, 317564), (465, 276588), (468, 274815), (540, 238173), (558, 230490), (585, 219852), (591, 217620), (620, 207441), (702, 183210), (780, 164889), (788, 163215), (806, 159570), (810, 158782), (837, 153660), (930, 138294), (985, 130572), (1053, 122140), (1116, 115245), (1170, 109926), (1182, 108810), (1209, 106380), (1395, 92196), (1404, 91605), (1612, 79785), (1620, 79391), (1674, 76830), (1755, 73284), (1773, 72540), (1860, 69147), (1970, 65286), (2015, 63828), (2106, 61070), (2340, 54963), (2364, 54405), (2418, 53190), (2511, 51220), (2561, 50220), (2790, 46098), (2955, 43524), (3348, 38415), (3510, 36642), (3546, 36270), (3627, 35460), (3940, 32643), (4030, 31914), (4185, 30732), (4212, 30535), (4836, 26595), (5022, 25610), (5122, 25110), (5265, 24428), (5319, 24180), (5580, 23049), (5910, 21762), (6045, 21276), (6107, 21060), (7020, 18321), (7092, 18135), (7254, 17730), (7683, 16740), (8060, 15957), (8370, 15366), (8865, 14508), (10044, 12805), (10244, 12555), (10530, 12214), (10638, 12090), (10881, 11820)]