64490860

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 169404480

約数和(自身を除く): 104913620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 79, 85, 98, 119, 140, 158, 170, 196, 238, 245, 316, 340, 343, 395, 476, 490, 553, 595, 686, 790, 833, 980, 1106, 1190, 1343, 1372, 1580, 1666, 1715, 2212, 2380, 2401, 2686, 2765, 3332, 3430, 3871, 4165, 4802, 5372, 5530, 5831, 6715, 6860, 7742, 8330, 9401, 9604, 11060, 11662, 12005, 13430, 15484, 16660, 18802, 19355, 23324, 24010, 26860, 27097, 29155, 37604, 38710, 40817, 47005, 48020, 54194, 58310, 65807, 77420, 81634, 94010, 108388, 116620, 131614, 135485, 163268, 188020, 189679, 204085, 263228, 270970, 329035, 379358, 408170, 460649, 541940, 658070, 758716, 816340, 921298, 948395, 1316140, 1842596, 1896790, 2303245, 3224543, 3793580, 4606490, 6449086, 9212980, 12898172, 16122715, 32245430, 64490860]

約数ペア:

[(1, 64490860), (2, 32245430), (4, 16122715), (5, 12898172), (7, 9212980), (10, 6449086), (14, 4606490), (17, 3793580), (20, 3224543), (28, 2303245), (34, 1896790), (35, 1842596), (49, 1316140), (68, 948395), (70, 921298), (79, 816340), (85, 758716), (98, 658070), (119, 541940), (140, 460649), (158, 408170), (170, 379358), (196, 329035), (238, 270970), (245, 263228), (316, 204085), (340, 189679), (343, 188020), (395, 163268), (476, 135485), (490, 131614), (553, 116620), (595, 108388), (686, 94010), (790, 81634), (833, 77420), (980, 65807), (1106, 58310), (1190, 54194), (1343, 48020), (1372, 47005), (1580, 40817), (1666, 38710), (1715, 37604), (2212, 29155), (2380, 27097), (2401, 26860), (2686, 24010), (2765, 23324), (3332, 19355), (3430, 18802), (3871, 16660), (4165, 15484), (4802, 13430), (5372, 12005), (5530, 11662), (5831, 11060), (6715, 9604), (6860, 9401), (7742, 8330)]