71895720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2711}}^1$

素因数の和:2755

約数の個数: 128

約数和(自身を含む): 246032640

約数和(自身を除く): 174136920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 2711, 3315, 4420, 5304, 5422, 6630, 8133, 8840, 10844, 13260, 13555, 16266, 21688, 26520, 27110, 32532, 35243, 40665, 46087, 54220, 65064, 70486, 81330, 92174, 105729, 108440, 138261, 140972, 162660, 176215, 184348, 211458, 230435, 276522, 281944, 325320, 352430, 368696, 422916, 460870, 528645, 553044, 599131, 691305, 704860, 845832, 921740, 1057290, 1106088, 1198262, 1382610, 1409720, 1797393, 1843480, 2114580, 2396524, 2765220, 2995655, 3594786, 4229160, 4793048, 5530440, 5991310, 7189572, 8986965, 11982620, 14379144, 17973930, 23965240, 35947860, 71895720]

約数ペア:

[(1, 71895720), (2, 35947860), (3, 23965240), (4, 17973930), (5, 14379144), (6, 11982620), (8, 8986965), (10, 7189572), (12, 5991310), (13, 5530440), (15, 4793048), (17, 4229160), (20, 3594786), (24, 2995655), (26, 2765220), (30, 2396524), (34, 2114580), (39, 1843480), (40, 1797393), (51, 1409720), (52, 1382610), (60, 1198262), (65, 1106088), (68, 1057290), (78, 921740), (85, 845832), (102, 704860), (104, 691305), (120, 599131), (130, 553044), (136, 528645), (156, 460870), (170, 422916), (195, 368696), (204, 352430), (221, 325320), (255, 281944), (260, 276522), (312, 230435), (340, 211458), (390, 184348), (408, 176215), (442, 162660), (510, 140972), (520, 138261), (663, 108440), (680, 105729), (780, 92174), (884, 81330), (1020, 70486), (1105, 65064), (1326, 54220), (1560, 46087), (1768, 40665), (2040, 35243), (2210, 32532), (2652, 27110), (2711, 26520), (3315, 21688), (4420, 16266), (5304, 13555), (5422, 13260), (6630, 10844), (8133, 8840)]