28760940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 102453120

約数和(自身を除く): 73692180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 241, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 482, 510, 540, 585, 612, 663, 702, 723, 765, 780, 884, 918, 964, 1020, 1105, 1170, 1205, 1326, 1404, 1446, 1530, 1755, 1836, 1989, 2169, 2210, 2295, 2340, 2410, 2652, 2892, 3060, 3133, 3315, 3510, 3615, 3978, 4097, 4338, 4420, 4590, 4820, 5967, 6266, 6507, 6630, 7020, 7230, 7956, 8194, 8676, 9180, 9399, 9945, 10845, 11934, 12291, 12532, 13014, 13260, 14460, 15665, 16388, 18798, 19890, 20485, 21690, 23868, 24582, 26028, 28197, 29835, 31330, 32535, 36873, 37596, 39780, 40970, 43380, 46995, 49164, 53261, 56394, 59670, 61455, 62660, 65070, 73746, 81940, 84591, 93990, 106522, 110619, 112788, 119340, 122910, 130140, 140985, 147492, 159783, 169182, 184365, 187980, 213044, 221238, 245820, 266305, 281970, 319566, 338364, 368730, 422955, 442476, 479349, 532610, 553095, 563940, 639132, 737460, 798915, 845910, 958698, 1065220, 1106190, 1438047, 1597830, 1691820, 1917396, 2212380, 2396745, 2876094, 3195660, 4793490, 5752188, 7190235, 9586980, 14380470, 28760940]

約数ペア:

[(1, 28760940), (2, 14380470), (3, 9586980), (4, 7190235), (5, 5752188), (6, 4793490), (9, 3195660), (10, 2876094), (12, 2396745), (13, 2212380), (15, 1917396), (17, 1691820), (18, 1597830), (20, 1438047), (26, 1106190), (27, 1065220), (30, 958698), (34, 845910), (36, 798915), (39, 737460), (45, 639132), (51, 563940), (52, 553095), (54, 532610), (60, 479349), (65, 442476), (68, 422955), (78, 368730), (85, 338364), (90, 319566), (102, 281970), (108, 266305), (117, 245820), (130, 221238), (135, 213044), (153, 187980), (156, 184365), (170, 169182), (180, 159783), (195, 147492), (204, 140985), (221, 130140), (234, 122910), (241, 119340), (255, 112788), (260, 110619), (270, 106522), (306, 93990), (340, 84591), (351, 81940), (390, 73746), (442, 65070), (459, 62660), (468, 61455), (482, 59670), (510, 56394), (540, 53261), (585, 49164), (612, 46995), (663, 43380), (702, 40970), (723, 39780), (765, 37596), (780, 36873), (884, 32535), (918, 31330), (964, 29835), (1020, 28197), (1105, 26028), (1170, 24582), (1205, 23868), (1326, 21690), (1404, 20485), (1446, 19890), (1530, 18798), (1755, 16388), (1836, 15665), (1989, 14460), (2169, 13260), (2210, 13014), (2295, 12532), (2340, 12291), (2410, 11934), (2652, 10845), (2892, 9945), (3060, 9399), (3133, 9180), (3315, 8676), (3510, 8194), (3615, 7956), (3978, 7230), (4097, 7020), (4338, 6630), (4420, 6507), (4590, 6266), (4820, 5967)]