84139860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28619}}^1$

素因数の和:28645

約数の個数: 72

約数和(自身を含む): 274065120

約数和(自身を除く): 189925260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28619, 57238, 85857, 114476, 143095, 171714, 200333, 286190, 343428, 400666, 429285, 572380, 600999, 801332, 858570, 1001665, 1201998, 1402331, 1717140, 2003330, 2403996, 2804662, 3004995, 4006660, 4206993, 5609324, 6009990, 7011655, 8413986, 12019980, 14023310, 16827972, 21034965, 28046620, 42069930, 84139860]

約数ペア:

[(1, 84139860), (2, 42069930), (3, 28046620), (4, 21034965), (5, 16827972), (6, 14023310), (7, 12019980), (10, 8413986), (12, 7011655), (14, 6009990), (15, 5609324), (20, 4206993), (21, 4006660), (28, 3004995), (30, 2804662), (35, 2403996), (42, 2003330), (49, 1717140), (60, 1402331), (70, 1201998), (84, 1001665), (98, 858570), (105, 801332), (140, 600999), (147, 572380), (196, 429285), (210, 400666), (245, 343428), (294, 286190), (420, 200333), (490, 171714), (588, 143095), (735, 114476), (980, 85857), (1470, 57238), (2940, 28619)]