287976780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17581}}^1$

素因数の和:17616

約数の個数: 144

約数和(自身を含む): 1075174464

約数和(自身を除く): 787197684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 17581, 35162, 52743, 70324, 87905, 105486, 123067, 158229, 175810, 210972, 228553, 246134, 263715, 316458, 351620, 369201, 457106, 492268, 527430, 615335, 632916, 685659, 738402, 791145, 914212, 1054860, 1107603, 1142765, 1230670, 1371318, 1476804, 1582290, 1599871, 1846005, 2056977, 2215206, 2285530, 2461340, 2742636, 3164580, 3199742, 3428295, 3692010, 4113954, 4430412, 4571060, 4799613, 5538015, 6399484, 6856590, 7384020, 7999355, 8227908, 9599226, 10284885, 11076030, 13713180, 14398839, 15998710, 19198452, 20569770, 22152060, 23998065, 28797678, 31997420, 41139540, 47996130, 57595356, 71994195, 95992260, 143988390, 287976780]

約数ペア:

[(1, 287976780), (2, 143988390), (3, 95992260), (4, 71994195), (5, 57595356), (6, 47996130), (7, 41139540), (9, 31997420), (10, 28797678), (12, 23998065), (13, 22152060), (14, 20569770), (15, 19198452), (18, 15998710), (20, 14398839), (21, 13713180), (26, 11076030), (28, 10284885), (30, 9599226), (35, 8227908), (36, 7999355), (39, 7384020), (42, 6856590), (45, 6399484), (52, 5538015), (60, 4799613), (63, 4571060), (65, 4430412), (70, 4113954), (78, 3692010), (84, 3428295), (90, 3199742), (91, 3164580), (105, 2742636), (117, 2461340), (126, 2285530), (130, 2215206), (140, 2056977), (156, 1846005), (180, 1599871), (182, 1582290), (195, 1476804), (210, 1371318), (234, 1230670), (252, 1142765), (260, 1107603), (273, 1054860), (315, 914212), (364, 791145), (390, 738402), (420, 685659), (455, 632916), (468, 615335), (546, 527430), (585, 492268), (630, 457106), (780, 369201), (819, 351620), (910, 316458), (1092, 263715), (1170, 246134), (1260, 228553), (1365, 210972), (1638, 175810), (1820, 158229), (2340, 123067), (2730, 105486), (3276, 87905), (4095, 70324), (5460, 52743), (8190, 35162), (16380, 17581)]