331440720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2661

約数の個数: 160

約数和(自身を含む): 1133927424

約数和(自身を除く): 802486704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 164, 195, 205, 208, 240, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 624, 656, 780, 820, 984, 1040, 1066, 1230, 1560, 1599, 1640, 1968, 2132, 2460, 2591, 2665, 3120, 3198, 3280, 4264, 4920, 5182, 5330, 6396, 7773, 7995, 8528, 9840, 10364, 10660, 12792, 12955, 15546, 15990, 20728, 21320, 25584, 25910, 31092, 31980, 33683, 38865, 41456, 42640, 51820, 62184, 63960, 67366, 77730, 101049, 103640, 106231, 124368, 127920, 134732, 155460, 168415, 202098, 207280, 212462, 269464, 310920, 318693, 336830, 404196, 424924, 505245, 531155, 538928, 621840, 637386, 673660, 808392, 849848, 1010490, 1062310, 1274772, 1347320, 1381003, 1593465, 1616784, 1699696, 2020980, 2124620, 2549544, 2694640, 2762006, 3186930, 4041960, 4143009, 4249240, 5099088, 5524012, 6373860, 6905015, 8083920, 8286018, 8498480, 11048024, 12747720, 13810030, 16572036, 20715045, 22096048, 25495440, 27620060, 33144072, 41430090, 55240120, 66288144, 82860180, 110480240, 165720360, 331440720]

約数ペア:

[(1, 331440720), (2, 165720360), (3, 110480240), (4, 82860180), (5, 66288144), (6, 55240120), (8, 41430090), (10, 33144072), (12, 27620060), (13, 25495440), (15, 22096048), (16, 20715045), (20, 16572036), (24, 13810030), (26, 12747720), (30, 11048024), (39, 8498480), (40, 8286018), (41, 8083920), (48, 6905015), (52, 6373860), (60, 5524012), (65, 5099088), (78, 4249240), (80, 4143009), (82, 4041960), (104, 3186930), (120, 2762006), (123, 2694640), (130, 2549544), (156, 2124620), (164, 2020980), (195, 1699696), (205, 1616784), (208, 1593465), (240, 1381003), (246, 1347320), (260, 1274772), (312, 1062310), (328, 1010490), (390, 849848), (410, 808392), (492, 673660), (520, 637386), (533, 621840), (615, 538928), (624, 531155), (656, 505245), (780, 424924), (820, 404196), (984, 336830), (1040, 318693), (1066, 310920), (1230, 269464), (1560, 212462), (1599, 207280), (1640, 202098), (1968, 168415), (2132, 155460), (2460, 134732), (2591, 127920), (2665, 124368), (3120, 106231), (3198, 103640), (3280, 101049), (4264, 77730), (4920, 67366), (5182, 63960), (5330, 62184), (6396, 51820), (7773, 42640), (7995, 41456), (8528, 38865), (9840, 33683), (10364, 31980), (10660, 31092), (12792, 25910), (12955, 25584), (15546, 21320), (15990, 20728)]