74451720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1535

約数の個数: 128

約数和(自身を含む): 259626240

約数和(自身を除く): 185174520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1453, 1464, 1708, 1830, 2135, 2440, 2562, 2906, 3416, 3660, 4270, 4359, 5124, 5812, 6405, 7265, 7320, 8540, 8718, 10171, 10248, 11624, 12810, 14530, 17080, 17436, 20342, 21795, 25620, 29060, 30513, 34872, 40684, 43590, 50855, 51240, 58120, 61026, 81368, 87180, 88633, 101710, 122052, 152565, 174360, 177266, 203420, 244104, 265899, 305130, 354532, 406840, 443165, 531798, 610260, 620431, 709064, 886330, 1063596, 1220520, 1240862, 1329495, 1772660, 1861293, 2127192, 2481724, 2658990, 3102155, 3545320, 3722586, 4963448, 5317980, 6204310, 7445172, 9306465, 10635960, 12408620, 14890344, 18612930, 24817240, 37225860, 74451720]

約数ペア:

[(1, 74451720), (2, 37225860), (3, 24817240), (4, 18612930), (5, 14890344), (6, 12408620), (7, 10635960), (8, 9306465), (10, 7445172), (12, 6204310), (14, 5317980), (15, 4963448), (20, 3722586), (21, 3545320), (24, 3102155), (28, 2658990), (30, 2481724), (35, 2127192), (40, 1861293), (42, 1772660), (56, 1329495), (60, 1240862), (61, 1220520), (70, 1063596), (84, 886330), (105, 709064), (120, 620431), (122, 610260), (140, 531798), (168, 443165), (183, 406840), (210, 354532), (244, 305130), (280, 265899), (305, 244104), (366, 203420), (420, 177266), (427, 174360), (488, 152565), (610, 122052), (732, 101710), (840, 88633), (854, 87180), (915, 81368), (1220, 61026), (1281, 58120), (1453, 51240), (1464, 50855), (1708, 43590), (1830, 40684), (2135, 34872), (2440, 30513), (2562, 29060), (2906, 25620), (3416, 21795), (3660, 20342), (4270, 17436), (4359, 17080), (5124, 14530), (5812, 12810), (6405, 11624), (7265, 10248), (7320, 10171), (8540, 8718)]