639863036640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2105921}}^1$

素因数の和:2106153

約数の個数: 144

約数和(自身を含む): 2193882150096

約数和(自身を除く): 1554019113456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 288, 360, 422, 480, 633, 720, 844, 1055, 1266, 1440, 1688, 1899, 2110, 2532, 3165, 3376, 3798, 4220, 5064, 6330, 6752, 7596, 8440, 9495, 10128, 12660, 15192, 16880, 18990, 20256, 25320, 30384, 33760, 37980, 50640, 60768, 75960, 101280, 151920, 303840, 2105921, 4211842, 6317763, 8423684, 10529605, 12635526, 16847368, 18953289, 21059210, 25271052, 31588815, 33694736, 37906578, 42118420, 50542104, 63177630, 67389472, 75813156, 84236840, 94766445, 101084208, 126355260, 151626312, 168473680, 189532890, 202168416, 252710520, 303252624, 336947360, 379065780, 444349331, 505421040, 606505248, 758131560, 888698662, 1010842080, 1333047993, 1516263120, 1777397324, 2221746655, 2666095986, 3032526240, 3554794648, 3999143979, 4443493310, 5332191972, 6665239965, 7109589296, 7998287958, 8886986620, 10664383944, 13330479930, 14219178592, 15996575916, 17773973240, 19995719895, 21328767888, 26660959860, 31993151832, 35547946480, 39991439790, 42657535776, 53321919720, 63986303664, 71095892960, 79982879580, 106643839440, 127972607328, 159965759160, 213287678880, 319931518320, 639863036640]

約数ペア:

[(1, 639863036640), (2, 319931518320), (3, 213287678880), (4, 159965759160), (5, 127972607328), (6, 106643839440), (8, 79982879580), (9, 71095892960), (10, 63986303664), (12, 53321919720), (15, 42657535776), (16, 39991439790), (18, 35547946480), (20, 31993151832), (24, 26660959860), (30, 21328767888), (32, 19995719895), (36, 17773973240), (40, 15996575916), (45, 14219178592), (48, 13330479930), (60, 10664383944), (72, 8886986620), (80, 7998287958), (90, 7109589296), (96, 6665239965), (120, 5332191972), (144, 4443493310), (160, 3999143979), (180, 3554794648), (211, 3032526240), (240, 2666095986), (288, 2221746655), (360, 1777397324), (422, 1516263120), (480, 1333047993), (633, 1010842080), (720, 888698662), (844, 758131560), (1055, 606505248), (1266, 505421040), (1440, 444349331), (1688, 379065780), (1899, 336947360), (2110, 303252624), (2532, 252710520), (3165, 202168416), (3376, 189532890), (3798, 168473680), (4220, 151626312), (5064, 126355260), (6330, 101084208), (6752, 94766445), (7596, 84236840), (8440, 75813156), (9495, 67389472), (10128, 63177630), (12660, 50542104), (15192, 42118420), (16880, 37906578), (18990, 33694736), (20256, 31588815), (25320, 25271052), (30384, 21059210), (33760, 18953289), (37980, 16847368), (50640, 12635526), (60768, 10529605), (75960, 8423684), (101280, 6317763), (151920, 4211842), (303840, 2105921)]