15417640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 28127960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 79, 82, 85, 119, 136, 140, 158, 164, 170, 205, 238, 280, 287, 316, 328, 340, 395, 410, 476, 553, 574, 595, 632, 680, 697, 790, 820, 952, 1106, 1148, 1190, 1343, 1394, 1435, 1580, 1640, 2212, 2296, 2380, 2686, 2765, 2788, 2870, 3160, 3239, 3485, 4424, 4760, 4879, 5372, 5530, 5576, 5740, 6478, 6715, 6970, 9401, 9758, 10744, 11060, 11480, 12956, 13430, 13940, 16195, 18802, 19516, 22120, 22673, 24395, 25912, 26860, 27880, 32390, 37604, 39032, 45346, 47005, 48790, 53720, 55063, 64780, 75208, 90692, 94010, 97580, 110126, 113365, 129560, 181384, 188020, 195160, 220252, 226730, 275315, 376040, 385441, 440504, 453460, 550630, 770882, 906920, 1101260, 1541764, 1927205, 2202520, 3083528, 3854410, 7708820, 15417640]

約数ペア:

[(1, 15417640), (2, 7708820), (4, 3854410), (5, 3083528), (7, 2202520), (8, 1927205), (10, 1541764), (14, 1101260), (17, 906920), (20, 770882), (28, 550630), (34, 453460), (35, 440504), (40, 385441), (41, 376040), (56, 275315), (68, 226730), (70, 220252), (79, 195160), (82, 188020), (85, 181384), (119, 129560), (136, 113365), (140, 110126), (158, 97580), (164, 94010), (170, 90692), (205, 75208), (238, 64780), (280, 55063), (287, 53720), (316, 48790), (328, 47005), (340, 45346), (395, 39032), (410, 37604), (476, 32390), (553, 27880), (574, 26860), (595, 25912), (632, 24395), (680, 22673), (697, 22120), (790, 19516), (820, 18802), (952, 16195), (1106, 13940), (1148, 13430), (1190, 12956), (1343, 11480), (1394, 11060), (1435, 10744), (1580, 9758), (1640, 9401), (2212, 6970), (2296, 6715), (2380, 6478), (2686, 5740), (2765, 5576), (2788, 5530), (2870, 5372), (3160, 4879), (3239, 4760), (3485, 4424)]