128817710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 298598400

約数和(自身を除く): 169780690

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 31, 35, 46, 58, 62, 70, 89, 115, 145, 155, 161, 178, 203, 217, 230, 290, 310, 322, 406, 434, 445, 623, 667, 713, 805, 890, 899, 1015, 1085, 1246, 1334, 1426, 1610, 1798, 2030, 2047, 2170, 2581, 2759, 3115, 3335, 3565, 4094, 4495, 4669, 4991, 5162, 5518, 6230, 6293, 6670, 7130, 8990, 9338, 9982, 10235, 12586, 12905, 13795, 14329, 18067, 19313, 20470, 20677, 23345, 24955, 25810, 27590, 28658, 31465, 36134, 38626, 41354, 46690, 49910, 59363, 62930, 63457, 71645, 80011, 90335, 96565, 103385, 118726, 126914, 143290, 144739, 160022, 180670, 193130, 206770, 289478, 296815, 317285, 400055, 415541, 444199, 560077, 593630, 634570, 723695, 800110, 831082, 888398, 1120154, 1447390, 1840253, 2077705, 2220995, 2800385, 3680506, 4155410, 4441990, 5600770, 9201265, 12881771, 18402530, 25763542, 64408855, 128817710]

約数ペア:

[(1, 128817710), (2, 64408855), (5, 25763542), (7, 18402530), (10, 12881771), (14, 9201265), (23, 5600770), (29, 4441990), (31, 4155410), (35, 3680506), (46, 2800385), (58, 2220995), (62, 2077705), (70, 1840253), (89, 1447390), (115, 1120154), (145, 888398), (155, 831082), (161, 800110), (178, 723695), (203, 634570), (217, 593630), (230, 560077), (290, 444199), (310, 415541), (322, 400055), (406, 317285), (434, 296815), (445, 289478), (623, 206770), (667, 193130), (713, 180670), (805, 160022), (890, 144739), (899, 143290), (1015, 126914), (1085, 118726), (1246, 103385), (1334, 96565), (1426, 90335), (1610, 80011), (1798, 71645), (2030, 63457), (2047, 62930), (2170, 59363), (2581, 49910), (2759, 46690), (3115, 41354), (3335, 38626), (3565, 36134), (4094, 31465), (4495, 28658), (4669, 27590), (4991, 25810), (5162, 24955), (5518, 23345), (6230, 20677), (6293, 20470), (6670, 19313), (7130, 18067), (8990, 14329), (9338, 13795), (9982, 12905), (10235, 12586)]