40029960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 128419200

約数和(自身を除く): 88389240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 97, 114, 120, 152, 181, 190, 194, 228, 285, 291, 362, 380, 388, 456, 485, 543, 570, 582, 724, 760, 776, 905, 970, 1086, 1140, 1164, 1448, 1455, 1810, 1843, 1940, 2172, 2280, 2328, 2715, 2910, 3439, 3620, 3686, 3880, 4344, 5430, 5529, 5820, 6878, 7240, 7372, 9215, 10317, 10860, 11058, 11640, 13756, 14744, 17195, 17557, 18430, 20634, 21720, 22116, 27512, 27645, 34390, 35114, 36860, 41268, 44232, 51585, 52671, 55290, 68780, 70228, 73720, 82536, 87785, 103170, 105342, 110580, 137560, 140456, 175570, 206340, 210684, 221160, 263355, 333583, 351140, 412680, 421368, 526710, 667166, 702280, 1000749, 1053420, 1334332, 1667915, 2001498, 2106840, 2668664, 3335830, 4002996, 5003745, 6671660, 8005992, 10007490, 13343320, 20014980, 40029960]

約数ペア:

[(1, 40029960), (2, 20014980), (3, 13343320), (4, 10007490), (5, 8005992), (6, 6671660), (8, 5003745), (10, 4002996), (12, 3335830), (15, 2668664), (19, 2106840), (20, 2001498), (24, 1667915), (30, 1334332), (38, 1053420), (40, 1000749), (57, 702280), (60, 667166), (76, 526710), (95, 421368), (97, 412680), (114, 351140), (120, 333583), (152, 263355), (181, 221160), (190, 210684), (194, 206340), (228, 175570), (285, 140456), (291, 137560), (362, 110580), (380, 105342), (388, 103170), (456, 87785), (485, 82536), (543, 73720), (570, 70228), (582, 68780), (724, 55290), (760, 52671), (776, 51585), (905, 44232), (970, 41268), (1086, 36860), (1140, 35114), (1164, 34390), (1448, 27645), (1455, 27512), (1810, 22116), (1843, 21720), (1940, 20634), (2172, 18430), (2280, 17557), (2328, 17195), (2715, 14744), (2910, 13756), (3439, 11640), (3620, 11058), (3686, 10860), (3880, 10317), (4344, 9215), (5430, 7372), (5529, 7240), (5820, 6878)]