4640940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 15724800

約数和(自身を除く): 11083860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 59, 60, 69, 76, 90, 92, 95, 114, 115, 118, 138, 171, 177, 180, 190, 207, 228, 230, 236, 276, 285, 295, 342, 345, 354, 380, 414, 437, 460, 531, 570, 590, 684, 690, 708, 828, 855, 874, 885, 1035, 1062, 1121, 1140, 1180, 1311, 1357, 1380, 1710, 1748, 1770, 2070, 2124, 2185, 2242, 2622, 2655, 2714, 3363, 3420, 3540, 3933, 4071, 4140, 4370, 4484, 5244, 5310, 5428, 5605, 6555, 6726, 6785, 7866, 8142, 8740, 10089, 10620, 11210, 12213, 13110, 13452, 13570, 15732, 16284, 16815, 19665, 20178, 20355, 22420, 24426, 25783, 26220, 27140, 33630, 39330, 40356, 40710, 48852, 50445, 51566, 61065, 67260, 77349, 78660, 81420, 100890, 103132, 122130, 128915, 154698, 201780, 232047, 244260, 257830, 309396, 386745, 464094, 515660, 773490, 928188, 1160235, 1546980, 2320470, 4640940]

約数ペア:

[(1, 4640940), (2, 2320470), (3, 1546980), (4, 1160235), (5, 928188), (6, 773490), (9, 515660), (10, 464094), (12, 386745), (15, 309396), (18, 257830), (19, 244260), (20, 232047), (23, 201780), (30, 154698), (36, 128915), (38, 122130), (45, 103132), (46, 100890), (57, 81420), (59, 78660), (60, 77349), (69, 67260), (76, 61065), (90, 51566), (92, 50445), (95, 48852), (114, 40710), (115, 40356), (118, 39330), (138, 33630), (171, 27140), (177, 26220), (180, 25783), (190, 24426), (207, 22420), (228, 20355), (230, 20178), (236, 19665), (276, 16815), (285, 16284), (295, 15732), (342, 13570), (345, 13452), (354, 13110), (380, 12213), (414, 11210), (437, 10620), (460, 10089), (531, 8740), (570, 8142), (590, 7866), (684, 6785), (690, 6726), (708, 6555), (828, 5605), (855, 5428), (874, 5310), (885, 5244), (1035, 4484), (1062, 4370), (1121, 4140), (1140, 4071), (1180, 3933), (1311, 3540), (1357, 3420), (1380, 3363), (1710, 2714), (1748, 2655), (1770, 2622), (2070, 2242), (2124, 2185)]