81452280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7459}}^1$

素因数の和:7493

約数の個数: 128

約数和(自身を含む): 300787200

約数和(自身を除く): 219334920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7459, 10920, 14918, 22377, 29836, 37295, 44754, 52213, 59672, 74590, 89508, 96967, 104426, 111885, 149180, 156639, 179016, 193934, 208852, 223770, 261065, 290901, 298360, 313278, 387868, 417704, 447540, 484835, 522130, 581802, 626556, 678769, 775736, 783195, 895080, 969670, 1044260, 1163604, 1253112, 1357538, 1454505, 1566390, 1939340, 2036307, 2088520, 2327208, 2715076, 2909010, 3132780, 3393845, 3878680, 4072614, 5430152, 5818020, 6265560, 6787690, 8145228, 10181535, 11636040, 13575380, 16290456, 20363070, 27150760, 40726140, 81452280]

約数ペア:

[(1, 81452280), (2, 40726140), (3, 27150760), (4, 20363070), (5, 16290456), (6, 13575380), (7, 11636040), (8, 10181535), (10, 8145228), (12, 6787690), (13, 6265560), (14, 5818020), (15, 5430152), (20, 4072614), (21, 3878680), (24, 3393845), (26, 3132780), (28, 2909010), (30, 2715076), (35, 2327208), (39, 2088520), (40, 2036307), (42, 1939340), (52, 1566390), (56, 1454505), (60, 1357538), (65, 1253112), (70, 1163604), (78, 1044260), (84, 969670), (91, 895080), (104, 783195), (105, 775736), (120, 678769), (130, 626556), (140, 581802), (156, 522130), (168, 484835), (182, 447540), (195, 417704), (210, 387868), (260, 313278), (273, 298360), (280, 290901), (312, 261065), (364, 223770), (390, 208852), (420, 193934), (455, 179016), (520, 156639), (546, 149180), (728, 111885), (780, 104426), (840, 96967), (910, 89508), (1092, 74590), (1365, 59672), (1560, 52213), (1820, 44754), (2184, 37295), (2730, 29836), (3640, 22377), (5460, 14918), (7459, 10920)]