1790246640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81971}}^1$

素因数の和:82007

約数の個数: 160

約数和(自身を含む): 6830562816

約数和(自身を除く): 5040316176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840, 81971, 163942, 245913, 327884, 409855, 491826, 573797, 655768, 819710, 983652, 1065623, 1147594, 1229565, 1311536, 1639420, 1721391, 1967304, 2131246, 2295188, 2459130, 2868985, 3196869, 3278840, 3442782, 3934608, 4262492, 4590376, 4918260, 5328115, 5737970, 6393738, 6557680, 6885564, 7459361, 8524984, 8606955, 9180752, 9836520, 10656230, 11475940, 12787476, 13771128, 14918722, 15984345, 17049968, 17213910, 19673040, 21312460, 22378083, 22951880, 25574952, 27542256, 29837444, 31968690, 34427820, 37296805, 42624920, 44756166, 45903760, 51149904, 59674888, 63937380, 68855640, 74593610, 85249840, 89512332, 111890415, 119349776, 127874760, 137711280, 149187220, 179024664, 223780830, 255749520, 298374440, 358049328, 447561660, 596748880, 895123320, 1790246640]

約数ペア:

[(1, 1790246640), (2, 895123320), (3, 596748880), (4, 447561660), (5, 358049328), (6, 298374440), (7, 255749520), (8, 223780830), (10, 179024664), (12, 149187220), (13, 137711280), (14, 127874760), (15, 119349776), (16, 111890415), (20, 89512332), (21, 85249840), (24, 74593610), (26, 68855640), (28, 63937380), (30, 59674888), (35, 51149904), (39, 45903760), (40, 44756166), (42, 42624920), (48, 37296805), (52, 34427820), (56, 31968690), (60, 29837444), (65, 27542256), (70, 25574952), (78, 22951880), (80, 22378083), (84, 21312460), (91, 19673040), (104, 17213910), (105, 17049968), (112, 15984345), (120, 14918722), (130, 13771128), (140, 12787476), (156, 11475940), (168, 10656230), (182, 9836520), (195, 9180752), (208, 8606955), (210, 8524984), (240, 7459361), (260, 6885564), (273, 6557680), (280, 6393738), (312, 5737970), (336, 5328115), (364, 4918260), (390, 4590376), (420, 4262492), (455, 3934608), (520, 3442782), (546, 3278840), (560, 3196869), (624, 2868985), (728, 2459130), (780, 2295188), (840, 2131246), (910, 1967304), (1040, 1721391), (1092, 1639420), (1365, 1311536), (1456, 1229565), (1560, 1147594), (1680, 1065623), (1820, 983652), (2184, 819710), (2730, 655768), (3120, 573797), (3640, 491826), (4368, 409855), (5460, 327884), (7280, 245913), (10920, 163942), (21840, 81971)]