25440090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 70785792

約数和(自身を除く): 45345702

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 41, 43, 65, 74, 78, 82, 86, 111, 123, 129, 130, 185, 195, 205, 215, 222, 246, 258, 370, 390, 410, 430, 481, 533, 555, 559, 615, 645, 962, 1066, 1110, 1118, 1230, 1290, 1443, 1517, 1591, 1599, 1677, 1763, 2405, 2665, 2795, 2886, 3034, 3182, 3198, 3354, 3526, 4551, 4773, 4810, 5289, 5330, 5590, 7215, 7585, 7955, 7995, 8385, 8815, 9102, 9546, 10578, 14430, 15170, 15910, 15990, 16770, 17630, 19721, 20683, 22755, 22919, 23865, 26445, 39442, 41366, 45510, 45838, 47730, 52890, 59163, 62049, 65231, 68757, 98605, 103415, 114595, 118326, 124098, 130462, 137514, 195693, 197210, 206830, 229190, 295815, 310245, 326155, 343785, 391386, 591630, 620490, 652310, 687570, 848003, 978465, 1696006, 1956930, 2544009, 4240015, 5088018, 8480030, 12720045, 25440090]

約数ペア:

[(1, 25440090), (2, 12720045), (3, 8480030), (5, 5088018), (6, 4240015), (10, 2544009), (13, 1956930), (15, 1696006), (26, 978465), (30, 848003), (37, 687570), (39, 652310), (41, 620490), (43, 591630), (65, 391386), (74, 343785), (78, 326155), (82, 310245), (86, 295815), (111, 229190), (123, 206830), (129, 197210), (130, 195693), (185, 137514), (195, 130462), (205, 124098), (215, 118326), (222, 114595), (246, 103415), (258, 98605), (370, 68757), (390, 65231), (410, 62049), (430, 59163), (481, 52890), (533, 47730), (555, 45838), (559, 45510), (615, 41366), (645, 39442), (962, 26445), (1066, 23865), (1110, 22919), (1118, 22755), (1230, 20683), (1290, 19721), (1443, 17630), (1517, 16770), (1591, 15990), (1599, 15910), (1677, 15170), (1763, 14430), (2405, 10578), (2665, 9546), (2795, 9102), (2886, 8815), (3034, 8385), (3182, 7995), (3198, 7955), (3354, 7585), (3526, 7215), (4551, 5590), (4773, 5330), (4810, 5289)]