2620789080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239999}}^1$

素因数の和:240033

約数の個数: 128

約数和(自身を含む): 9676800000

約数和(自身を除く): 7056010920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 239999, 479998, 719997, 959996, 1199995, 1439994, 1679993, 1919992, 2399990, 2879988, 3119987, 3359986, 3599985, 4799980, 5039979, 5759976, 6239974, 6719972, 7199970, 8399965, 9359961, 9599960, 10079958, 12479948, 13439944, 14399940, 15599935, 16799930, 18719922, 20159916, 21839909, 24959896, 25199895, 28799880, 31199870, 33599860, 37439844, 40319832, 43679818, 46799805, 50399790, 62399740, 65519727, 67199720, 74879688, 87359636, 93599610, 100799580, 109199545, 124799480, 131039454, 174719272, 187199220, 201599160, 218399090, 262078908, 327598635, 374398440, 436798180, 524157816, 655197270, 873596360, 1310394540, 2620789080]

約数ペア:

[(1, 2620789080), (2, 1310394540), (3, 873596360), (4, 655197270), (5, 524157816), (6, 436798180), (7, 374398440), (8, 327598635), (10, 262078908), (12, 218399090), (13, 201599160), (14, 187199220), (15, 174719272), (20, 131039454), (21, 124799480), (24, 109199545), (26, 100799580), (28, 93599610), (30, 87359636), (35, 74879688), (39, 67199720), (40, 65519727), (42, 62399740), (52, 50399790), (56, 46799805), (60, 43679818), (65, 40319832), (70, 37439844), (78, 33599860), (84, 31199870), (91, 28799880), (104, 25199895), (105, 24959896), (120, 21839909), (130, 20159916), (140, 18719922), (156, 16799930), (168, 15599935), (182, 14399940), (195, 13439944), (210, 12479948), (260, 10079958), (273, 9599960), (280, 9359961), (312, 8399965), (364, 7199970), (390, 6719972), (420, 6239974), (455, 5759976), (520, 5039979), (546, 4799980), (728, 3599985), (780, 3359986), (840, 3119987), (910, 2879988), (1092, 2399990), (1365, 1919992), (1560, 1679993), (1820, 1439994), (2184, 1199995), (2730, 959996), (3640, 719997), (5460, 479998), (10920, 239999)]