1640973840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20051}}^1$

素因数の和:20109

約数の個数: 160

約数和(自身を含む): 5728776192

約数和(自身を除く): 4087802352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 2046, 2480, 2640, 2728, 3410, 3720, 4092, 5115, 5456, 6820, 7440, 8184, 10230, 13640, 16368, 20051, 20460, 27280, 40102, 40920, 60153, 80204, 81840, 100255, 120306, 160408, 200510, 220561, 240612, 300765, 320816, 401020, 441122, 481224, 601530, 621581, 661683, 802040, 882244, 962448, 1102805, 1203060, 1243162, 1323366, 1604080, 1764488, 1864743, 2205610, 2406120, 2486324, 2646732, 3107905, 3308415, 3528976, 3729486, 4411220, 4812240, 4972648, 5293464, 6215810, 6616830, 6837391, 7458972, 8822440, 9323715, 9945296, 10586928, 12431620, 13233660, 13674782, 14917944, 17644880, 18647430, 20512173, 24863240, 26467320, 27349564, 29835888, 34186955, 37294860, 41024346, 49726480, 52934640, 54699128, 68373910, 74589720, 82048692, 102560865, 109398256, 136747820, 149179440, 164097384, 205121730, 273495640, 328194768, 410243460, 546991280, 820486920, 1640973840]

約数ペア:

[(1, 1640973840), (2, 820486920), (3, 546991280), (4, 410243460), (5, 328194768), (6, 273495640), (8, 205121730), (10, 164097384), (11, 149179440), (12, 136747820), (15, 109398256), (16, 102560865), (20, 82048692), (22, 74589720), (24, 68373910), (30, 54699128), (31, 52934640), (33, 49726480), (40, 41024346), (44, 37294860), (48, 34186955), (55, 29835888), (60, 27349564), (62, 26467320), (66, 24863240), (80, 20512173), (88, 18647430), (93, 17644880), (110, 14917944), (120, 13674782), (124, 13233660), (132, 12431620), (155, 10586928), (165, 9945296), (176, 9323715), (186, 8822440), (220, 7458972), (240, 6837391), (248, 6616830), (264, 6215810), (310, 5293464), (330, 4972648), (341, 4812240), (372, 4411220), (440, 3729486), (465, 3528976), (496, 3308415), (528, 3107905), (620, 2646732), (660, 2486324), (682, 2406120), (744, 2205610), (880, 1864743), (930, 1764488), (1023, 1604080), (1240, 1323366), (1320, 1243162), (1364, 1203060), (1488, 1102805), (1705, 962448), (1860, 882244), (2046, 802040), (2480, 661683), (2640, 621581), (2728, 601530), (3410, 481224), (3720, 441122), (4092, 401020), (5115, 320816), (5456, 300765), (6820, 240612), (7440, 220561), (8184, 200510), (10230, 160408), (13640, 120306), (16368, 100255), (20051, 81840), (20460, 80204), (27280, 60153), (40102, 40920)]