2021704020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{3511}}^1$

素因数の和:3990

約数の個数: 144

約数和(自身を含む): 7025910528

約数和(自身を除く): 5004206508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 457, 630, 914, 1260, 1371, 1828, 2285, 2742, 3199, 3511, 4113, 4570, 5484, 6398, 6855, 7022, 8226, 9140, 9597, 10533, 12796, 13710, 14044, 15995, 16452, 17555, 19194, 20565, 21066, 24577, 27420, 28791, 31599, 31990, 35110, 38388, 41130, 42132, 47985, 49154, 52665, 57582, 63198, 63980, 70220, 73731, 82260, 95970, 98308, 105330, 115164, 122885, 126396, 143955, 147462, 157995, 191940, 210660, 221193, 245770, 287910, 294924, 315990, 368655, 442386, 491540, 575820, 631980, 737310, 884772, 1105965, 1474620, 1604527, 2211930, 3209054, 4423860, 4813581, 6418108, 8022635, 9627162, 11231689, 14440743, 16045270, 19254324, 22463378, 24067905, 28881486, 32090540, 33695067, 44926756, 48135810, 56158445, 57762972, 67390134, 72203715, 96271620, 101085201, 112316890, 134780268, 144407430, 168475335, 202170402, 224633780, 288814860, 336950670, 404340804, 505426005, 673901340, 1010852010, 2021704020]

約数ペア:

[(1, 2021704020), (2, 1010852010), (3, 673901340), (4, 505426005), (5, 404340804), (6, 336950670), (7, 288814860), (9, 224633780), (10, 202170402), (12, 168475335), (14, 144407430), (15, 134780268), (18, 112316890), (20, 101085201), (21, 96271620), (28, 72203715), (30, 67390134), (35, 57762972), (36, 56158445), (42, 48135810), (45, 44926756), (60, 33695067), (63, 32090540), (70, 28881486), (84, 24067905), (90, 22463378), (105, 19254324), (126, 16045270), (140, 14440743), (180, 11231689), (210, 9627162), (252, 8022635), (315, 6418108), (420, 4813581), (457, 4423860), (630, 3209054), (914, 2211930), (1260, 1604527), (1371, 1474620), (1828, 1105965), (2285, 884772), (2742, 737310), (3199, 631980), (3511, 575820), (4113, 491540), (4570, 442386), (5484, 368655), (6398, 315990), (6855, 294924), (7022, 287910), (8226, 245770), (9140, 221193), (9597, 210660), (10533, 191940), (12796, 157995), (13710, 147462), (14044, 143955), (15995, 126396), (16452, 122885), (17555, 115164), (19194, 105330), (20565, 98308), (21066, 95970), (24577, 82260), (27420, 73731), (28791, 70220), (31599, 63980), (31990, 63198), (35110, 57582), (38388, 52665), (41130, 49154), (42132, 47985)]