20784187080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1\times {\mathrm{2347}}^1$

素因数の和:3828

約数の個数: 192

約数和(自身を含む): 71601978240

約数和(自身を除く): 50817791160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1447, 1530, 2040, 2347, 2894, 3060, 4341, 4694, 5788, 6120, 7041, 7235, 8682, 9388, 11576, 11735, 13023, 14082, 14470, 17364, 18776, 21123, 21705, 23470, 24599, 26046, 28164, 28940, 34728, 35205, 39899, 42246, 43410, 46940, 49198, 52092, 56328, 57880, 65115, 70410, 73797, 79798, 84492, 86820, 93880, 98396, 104184, 105615, 119697, 122995, 130230, 140820, 147594, 159596, 168984, 173640, 196792, 199495, 211230, 221391, 239394, 245990, 260460, 281640, 295188, 319192, 359091, 368985, 398990, 422460, 442782, 478788, 491980, 520920, 590376, 598485, 718182, 737970, 797980, 844920, 885564, 957576, 983960, 1106955, 1196970, 1436364, 1475940, 1595960, 1771128, 1795455, 2213910, 2393940, 2872728, 2951880, 3396109, 3590910, 4427820, 4787880, 6792218, 7181820, 8855640, 10188327, 13584436, 14363640, 16980545, 20376654, 27168872, 30564981, 33961090, 40753308, 50941635, 57733853, 61129962, 67922180, 81506616, 101883270, 115467706, 122259924, 135844360, 152824905, 173201559, 203766540, 230935412, 244519848, 288669265, 305649810, 346403118, 407533080, 461870824, 519604677, 577338530, 611299620, 692806236, 866007795, 1039209354, 1154677060, 1222599240, 1385612472, 1732015590, 2078418708, 2309354120, 2598023385, 3464031180, 4156837416, 5196046770, 6928062360, 10392093540, 20784187080]

約数ペア:

[(1, 20784187080), (2, 10392093540), (3, 6928062360), (4, 5196046770), (5, 4156837416), (6, 3464031180), (8, 2598023385), (9, 2309354120), (10, 2078418708), (12, 1732015590), (15, 1385612472), (17, 1222599240), (18, 1154677060), (20, 1039209354), (24, 866007795), (30, 692806236), (34, 611299620), (36, 577338530), (40, 519604677), (45, 461870824), (51, 407533080), (60, 346403118), (68, 305649810), (72, 288669265), (85, 244519848), (90, 230935412), (102, 203766540), (120, 173201559), (136, 152824905), (153, 135844360), (170, 122259924), (180, 115467706), (204, 101883270), (255, 81506616), (306, 67922180), (340, 61129962), (360, 57733853), (408, 50941635), (510, 40753308), (612, 33961090), (680, 30564981), (765, 27168872), (1020, 20376654), (1224, 16980545), (1447, 14363640), (1530, 13584436), (2040, 10188327), (2347, 8855640), (2894, 7181820), (3060, 6792218), (4341, 4787880), (4694, 4427820), (5788, 3590910), (6120, 3396109), (7041, 2951880), (7235, 2872728), (8682, 2393940), (9388, 2213910), (11576, 1795455), (11735, 1771128), (13023, 1595960), (14082, 1475940), (14470, 1436364), (17364, 1196970), (18776, 1106955), (21123, 983960), (21705, 957576), (23470, 885564), (24599, 844920), (26046, 797980), (28164, 737970), (28940, 718182), (34728, 598485), (35205, 590376), (39899, 520920), (42246, 491980), (43410, 478788), (46940, 442782), (49198, 422460), (52092, 398990), (56328, 368985), (57880, 359091), (65115, 319192), (70410, 295188), (73797, 281640), (79798, 260460), (84492, 245990), (86820, 239394), (93880, 221391), (98396, 211230), (104184, 199495), (105615, 196792), (119697, 173640), (122995, 168984), (130230, 159596), (140820, 147594)]