28905541320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{745757}}^1$

素因数の和:745807

約数の個数: 128

約数和(自身を含む): 96650236800

約数和(自身を除く): 67744695480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7752, 9690, 12920, 19380, 38760, 745757, 1491514, 2237271, 2983028, 3728785, 4474542, 5966056, 7457570, 8949084, 11186355, 12677869, 14169383, 14915140, 17898168, 22372710, 25355738, 28338766, 29830280, 38033607, 42508149, 44745420, 50711476, 56677532, 63389345, 70846915, 76067214, 85016298, 89490840, 101422952, 113355064, 126778690, 141693830, 152134428, 170032596, 190168035, 212540745, 240879511, 253557380, 283387660, 304268856, 340065192, 380336070, 425081490, 481759022, 507114760, 566775320, 722638533, 760672140, 850162980, 963518044, 1204397555, 1445277066, 1521344280, 1700325960, 1927036088, 2408795110, 2890554132, 3613192665, 4817590220, 5781108264, 7226385330, 9635180440, 14452770660, 28905541320]

約数ペア:

[(1, 28905541320), (2, 14452770660), (3, 9635180440), (4, 7226385330), (5, 5781108264), (6, 4817590220), (8, 3613192665), (10, 2890554132), (12, 2408795110), (15, 1927036088), (17, 1700325960), (19, 1521344280), (20, 1445277066), (24, 1204397555), (30, 963518044), (34, 850162980), (38, 760672140), (40, 722638533), (51, 566775320), (57, 507114760), (60, 481759022), (68, 425081490), (76, 380336070), (85, 340065192), (95, 304268856), (102, 283387660), (114, 253557380), (120, 240879511), (136, 212540745), (152, 190168035), (170, 170032596), (190, 152134428), (204, 141693830), (228, 126778690), (255, 113355064), (285, 101422952), (323, 89490840), (340, 85016298), (380, 76067214), (408, 70846915), (456, 63389345), (510, 56677532), (570, 50711476), (646, 44745420), (680, 42508149), (760, 38033607), (969, 29830280), (1020, 28338766), (1140, 25355738), (1292, 22372710), (1615, 17898168), (1938, 14915140), (2040, 14169383), (2280, 12677869), (2584, 11186355), (3230, 8949084), (3876, 7457570), (4845, 5966056), (6460, 4474542), (7752, 3728785), (9690, 2983028), (12920, 2237271), (19380, 1491514), (38760, 745757)]