28405920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 97542144

約数和(自身を除く): 69136224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 69, 80, 83, 92, 93, 96, 115, 120, 124, 138, 155, 160, 166, 184, 186, 230, 240, 248, 249, 276, 310, 332, 345, 368, 372, 415, 460, 465, 480, 496, 498, 552, 620, 664, 690, 713, 736, 744, 830, 920, 930, 992, 996, 1104, 1240, 1245, 1328, 1380, 1426, 1488, 1660, 1840, 1860, 1909, 1992, 2139, 2208, 2480, 2490, 2573, 2656, 2760, 2852, 2976, 3320, 3565, 3680, 3720, 3818, 3984, 4278, 4960, 4980, 5146, 5520, 5704, 5727, 6640, 7130, 7440, 7636, 7719, 7968, 8556, 9545, 9960, 10292, 10695, 11040, 11408, 11454, 12865, 13280, 14260, 14880, 15272, 15438, 17112, 19090, 19920, 20584, 21390, 22816, 22908, 25730, 28520, 28635, 30544, 30876, 34224, 38180, 38595, 39840, 41168, 42780, 45816, 51460, 57040, 57270, 59179, 61088, 61752, 68448, 76360, 77190, 82336, 85560, 91632, 102920, 114080, 114540, 118358, 123504, 152720, 154380, 171120, 177537, 183264, 205840, 229080, 236716, 247008, 295895, 305440, 308760, 342240, 355074, 411680, 458160, 473432, 591790, 617520, 710148, 887685, 916320, 946864, 1183580, 1235040, 1420296, 1775370, 1893728, 2367160, 2840592, 3550740, 4734320, 5681184, 7101480, 9468640, 14202960, 28405920]

約数ペア:

[(1, 28405920), (2, 14202960), (3, 9468640), (4, 7101480), (5, 5681184), (6, 4734320), (8, 3550740), (10, 2840592), (12, 2367160), (15, 1893728), (16, 1775370), (20, 1420296), (23, 1235040), (24, 1183580), (30, 946864), (31, 916320), (32, 887685), (40, 710148), (46, 617520), (48, 591790), (60, 473432), (62, 458160), (69, 411680), (80, 355074), (83, 342240), (92, 308760), (93, 305440), (96, 295895), (115, 247008), (120, 236716), (124, 229080), (138, 205840), (155, 183264), (160, 177537), (166, 171120), (184, 154380), (186, 152720), (230, 123504), (240, 118358), (248, 114540), (249, 114080), (276, 102920), (310, 91632), (332, 85560), (345, 82336), (368, 77190), (372, 76360), (415, 68448), (460, 61752), (465, 61088), (480, 59179), (496, 57270), (498, 57040), (552, 51460), (620, 45816), (664, 42780), (690, 41168), (713, 39840), (736, 38595), (744, 38180), (830, 34224), (920, 30876), (930, 30544), (992, 28635), (996, 28520), (1104, 25730), (1240, 22908), (1245, 22816), (1328, 21390), (1380, 20584), (1426, 19920), (1488, 19090), (1660, 17112), (1840, 15438), (1860, 15272), (1909, 14880), (1992, 14260), (2139, 13280), (2208, 12865), (2480, 11454), (2490, 11408), (2573, 11040), (2656, 10695), (2760, 10292), (2852, 9960), (2976, 9545), (3320, 8556), (3565, 7968), (3680, 7719), (3720, 7636), (3818, 7440), (3984, 7130), (4278, 6640), (4960, 5727), (4980, 5704), (5146, 5520)]