1378781040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63131}}^1$

素因数の和:63167

約数の個数: 160

約数和(自身を含む): 5260663296

約数和(自身を除く): 3881882256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840, 63131, 126262, 189393, 252524, 315655, 378786, 441917, 505048, 631310, 757572, 820703, 883834, 946965, 1010096, 1262620, 1325751, 1515144, 1641406, 1767668, 1893930, 2209585, 2462109, 2525240, 2651502, 3030288, 3282812, 3535336, 3787860, 4103515, 4419170, 4924218, 5050480, 5303004, 5744921, 6565624, 6628755, 7070672, 7575720, 8207030, 8838340, 9848436, 10606008, 11489842, 12310545, 13131248, 13257510, 15151440, 16414060, 17234763, 17676680, 19696872, 21212016, 22979684, 24621090, 26515020, 28724605, 32828120, 34469526, 35353360, 39393744, 45959368, 49242180, 53030040, 57449210, 65656240, 68939052, 86173815, 91918736, 98484360, 106060080, 114898420, 137878104, 172347630, 196968720, 229796840, 275756208, 344695260, 459593680, 689390520, 1378781040]

約数ペア:

[(1, 1378781040), (2, 689390520), (3, 459593680), (4, 344695260), (5, 275756208), (6, 229796840), (7, 196968720), (8, 172347630), (10, 137878104), (12, 114898420), (13, 106060080), (14, 98484360), (15, 91918736), (16, 86173815), (20, 68939052), (21, 65656240), (24, 57449210), (26, 53030040), (28, 49242180), (30, 45959368), (35, 39393744), (39, 35353360), (40, 34469526), (42, 32828120), (48, 28724605), (52, 26515020), (56, 24621090), (60, 22979684), (65, 21212016), (70, 19696872), (78, 17676680), (80, 17234763), (84, 16414060), (91, 15151440), (104, 13257510), (105, 13131248), (112, 12310545), (120, 11489842), (130, 10606008), (140, 9848436), (156, 8838340), (168, 8207030), (182, 7575720), (195, 7070672), (208, 6628755), (210, 6565624), (240, 5744921), (260, 5303004), (273, 5050480), (280, 4924218), (312, 4419170), (336, 4103515), (364, 3787860), (390, 3535336), (420, 3282812), (455, 3030288), (520, 2651502), (546, 2525240), (560, 2462109), (624, 2209585), (728, 1893930), (780, 1767668), (840, 1641406), (910, 1515144), (1040, 1325751), (1092, 1262620), (1365, 1010096), (1456, 946965), (1560, 883834), (1680, 820703), (1820, 757572), (2184, 631310), (2730, 505048), (3120, 441917), (3640, 378786), (4368, 315655), (5460, 252524), (7280, 189393), (10920, 126262), (21840, 63131)]