40883220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 144039168

約数和(自身を除く): 103155948

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, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 457, 497, 630, 639, 710, 852, 914, 994, 1065, 1260, 1278, 1371, 1420, 1491, 1828, 1988, 2130, 2285, 2485, 2556, 2742, 2982, 3195, 3199, 4113, 4260, 4473, 4570, 4970, 5484, 5964, 6390, 6398, 6855, 7455, 8226, 8946, 9140, 9597, 9940, 12780, 12796, 13710, 14910, 15995, 16452, 17892, 19194, 20565, 22365, 27420, 28791, 29820, 31990, 32447, 38388, 41130, 44730, 47985, 57582, 63980, 64894, 82260, 89460, 95970, 97341, 115164, 129788, 143955, 162235, 191940, 194682, 227129, 287910, 292023, 324470, 389364, 454258, 486705, 575820, 584046, 648940, 681387, 908516, 973410, 1135645, 1168092, 1362774, 1460115, 1946820, 2044161, 2271290, 2725548, 2920230, 3406935, 4088322, 4542580, 5840460, 6813870, 8176644, 10220805, 13627740, 20441610, 40883220]

約数ペア:

[(1, 40883220), (2, 20441610), (3, 13627740), (4, 10220805), (5, 8176644), (6, 6813870), (7, 5840460), (9, 4542580), (10, 4088322), (12, 3406935), (14, 2920230), (15, 2725548), (18, 2271290), (20, 2044161), (21, 1946820), (28, 1460115), (30, 1362774), (35, 1168092), (36, 1135645), (42, 973410), (45, 908516), (60, 681387), (63, 648940), (70, 584046), (71, 575820), (84, 486705), (90, 454258), (105, 389364), (126, 324470), (140, 292023), (142, 287910), (180, 227129), (210, 194682), (213, 191940), (252, 162235), (284, 143955), (315, 129788), (355, 115164), (420, 97341), (426, 95970), (457, 89460), (497, 82260), (630, 64894), (639, 63980), (710, 57582), (852, 47985), (914, 44730), (994, 41130), (1065, 38388), (1260, 32447), (1278, 31990), (1371, 29820), (1420, 28791), (1491, 27420), (1828, 22365), (1988, 20565), (2130, 19194), (2285, 17892), (2485, 16452), (2556, 15995), (2742, 14910), (2982, 13710), (3195, 12796), (3199, 12780), (4113, 9940), (4260, 9597), (4473, 9140), (4570, 8946), (4970, 8226), (5484, 7455), (5964, 6855), (6390, 6398)]