157768520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:607

約数の個数: 128

約数和(自身を含む): 442713600

約数和(自身を除く): 284945080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 260, 280, 356, 364, 445, 455, 487, 520, 623, 712, 728, 890, 910, 974, 1157, 1246, 1780, 1820, 1948, 2314, 2435, 2492, 3115, 3409, 3560, 3640, 3896, 4628, 4870, 4984, 5785, 6230, 6331, 6818, 8099, 9256, 9740, 11570, 12460, 12662, 13636, 16198, 17045, 19480, 23140, 24920, 25324, 27272, 31655, 32396, 34090, 40495, 43343, 44317, 46280, 50648, 63310, 64792, 68180, 80990, 86686, 88634, 126620, 136360, 161980, 173372, 177268, 216715, 221585, 253240, 303401, 323960, 346744, 354536, 433430, 443170, 563459, 606802, 866860, 886340, 1126918, 1213604, 1517005, 1733720, 1772680, 2253836, 2427208, 2817295, 3034010, 3944213, 4507672, 5634590, 6068020, 7888426, 11269180, 12136040, 15776852, 19721065, 22538360, 31553704, 39442130, 78884260, 157768520]

約数ペア:

[(1, 157768520), (2, 78884260), (4, 39442130), (5, 31553704), (7, 22538360), (8, 19721065), (10, 15776852), (13, 12136040), (14, 11269180), (20, 7888426), (26, 6068020), (28, 5634590), (35, 4507672), (40, 3944213), (52, 3034010), (56, 2817295), (65, 2427208), (70, 2253836), (89, 1772680), (91, 1733720), (104, 1517005), (130, 1213604), (140, 1126918), (178, 886340), (182, 866860), (260, 606802), (280, 563459), (356, 443170), (364, 433430), (445, 354536), (455, 346744), (487, 323960), (520, 303401), (623, 253240), (712, 221585), (728, 216715), (890, 177268), (910, 173372), (974, 161980), (1157, 136360), (1246, 126620), (1780, 88634), (1820, 86686), (1948, 80990), (2314, 68180), (2435, 64792), (2492, 63310), (3115, 50648), (3409, 46280), (3560, 44317), (3640, 43343), (3896, 40495), (4628, 34090), (4870, 32396), (4984, 31655), (5785, 27272), (6230, 25324), (6331, 24920), (6818, 23140), (8099, 19480), (9256, 17045), (9740, 16198), (11570, 13636), (12460, 12662)]