178919580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3248

約数の個数: 144

約数和(自身を含む): 613630080

約数和(自身を除く): 434710500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3203, 3724, 3990, 4655, 5586, 6406, 7980, 9310, 9609, 11172, 12812, 13965, 16015, 18620, 19218, 22421, 27930, 32030, 38436, 44842, 48045, 55860, 60857, 64060, 67263, 89684, 96090, 112105, 121714, 134526, 156947, 182571, 192180, 224210, 243428, 269052, 304285, 313894, 336315, 365142, 425999, 448420, 470841, 608570, 627788, 672630, 730284, 784735, 851998, 912855, 941682, 1217140, 1277997, 1345260, 1569470, 1703996, 1825710, 1883364, 2129995, 2354205, 2555994, 2981993, 3138940, 3651420, 4259990, 4708410, 5111988, 5963986, 6389985, 8519980, 8945979, 9416820, 11927972, 12779970, 14909965, 17891958, 25559940, 29819930, 35783916, 44729895, 59639860, 89459790, 178919580]

約数ペア:

[(1, 178919580), (2, 89459790), (3, 59639860), (4, 44729895), (5, 35783916), (6, 29819930), (7, 25559940), (10, 17891958), (12, 14909965), (14, 12779970), (15, 11927972), (19, 9416820), (20, 8945979), (21, 8519980), (28, 6389985), (30, 5963986), (35, 5111988), (38, 4708410), (42, 4259990), (49, 3651420), (57, 3138940), (60, 2981993), (70, 2555994), (76, 2354205), (84, 2129995), (95, 1883364), (98, 1825710), (105, 1703996), (114, 1569470), (133, 1345260), (140, 1277997), (147, 1217140), (190, 941682), (196, 912855), (210, 851998), (228, 784735), (245, 730284), (266, 672630), (285, 627788), (294, 608570), (380, 470841), (399, 448420), (420, 425999), (490, 365142), (532, 336315), (570, 313894), (588, 304285), (665, 269052), (735, 243428), (798, 224210), (931, 192180), (980, 182571), (1140, 156947), (1330, 134526), (1470, 121714), (1596, 112105), (1862, 96090), (1995, 89684), (2660, 67263), (2793, 64060), (2940, 60857), (3203, 55860), (3724, 48045), (3990, 44842), (4655, 38436), (5586, 32030), (6406, 27930), (7980, 22421), (9310, 19218), (9609, 18620), (11172, 16015), (12812, 13965)]