225280720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:753

約数の個数: 160

約数和(自身を含む): 651386880

約数和(自身を除く): 426106160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 683, 760, 868, 1064, 1085, 1178, 1240, 1330, 1366, 1520, 1736, 2128, 2170, 2356, 2480, 2660, 2732, 2945, 3415, 3472, 4123, 4340, 4712, 4781, 5320, 5464, 5890, 6830, 8246, 8680, 9424, 9562, 10640, 10928, 11780, 12977, 13660, 16492, 17360, 19124, 20615, 21173, 23560, 23905, 25954, 27320, 32984, 38248, 41230, 42346, 47120, 47810, 51908, 54640, 64885, 65968, 76496, 82460, 84692, 90839, 95620, 103816, 105865, 129770, 148211, 164920, 169384, 181678, 191240, 207632, 211730, 259540, 296422, 329840, 338768, 363356, 382480, 402287, 423460, 454195, 519080, 592844, 726712, 741055, 804574, 846920, 908390, 1038160, 1185688, 1453424, 1482110, 1609148, 1693840, 1816780, 2011435, 2371376, 2816009, 2964220, 3218296, 3633560, 4022870, 5632018, 5928440, 6436592, 7267120, 8045740, 11264036, 11856880, 14080045, 16091480, 22528072, 28160090, 32182960, 45056144, 56320180, 112640360, 225280720]

約数ペア:

[(1, 225280720), (2, 112640360), (4, 56320180), (5, 45056144), (7, 32182960), (8, 28160090), (10, 22528072), (14, 16091480), (16, 14080045), (19, 11856880), (20, 11264036), (28, 8045740), (31, 7267120), (35, 6436592), (38, 5928440), (40, 5632018), (56, 4022870), (62, 3633560), (70, 3218296), (76, 2964220), (80, 2816009), (95, 2371376), (112, 2011435), (124, 1816780), (133, 1693840), (140, 1609148), (152, 1482110), (155, 1453424), (190, 1185688), (217, 1038160), (248, 908390), (266, 846920), (280, 804574), (304, 741055), (310, 726712), (380, 592844), (434, 519080), (496, 454195), (532, 423460), (560, 402287), (589, 382480), (620, 363356), (665, 338768), (683, 329840), (760, 296422), (868, 259540), (1064, 211730), (1085, 207632), (1178, 191240), (1240, 181678), (1330, 169384), (1366, 164920), (1520, 148211), (1736, 129770), (2128, 105865), (2170, 103816), (2356, 95620), (2480, 90839), (2660, 84692), (2732, 82460), (2945, 76496), (3415, 65968), (3472, 64885), (4123, 54640), (4340, 51908), (4712, 47810), (4781, 47120), (5320, 42346), (5464, 41230), (5890, 38248), (6830, 32984), (8246, 27320), (8680, 25954), (9424, 23905), (9562, 23560), (10640, 21173), (10928, 20615), (11780, 19124), (12977, 17360), (13660, 16492)]