30196480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 74761344

約数和(自身を除く): 44564864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 761, 992, 1240, 1280, 1522, 1984, 2480, 3044, 3805, 3968, 4960, 6088, 7610, 7936, 9920, 12176, 15220, 19840, 23591, 24352, 30440, 39680, 47182, 48704, 60880, 94364, 97408, 117955, 121760, 188728, 194816, 235910, 243520, 377456, 471820, 487040, 754912, 943640, 974080, 1509824, 1887280, 3019648, 3774560, 6039296, 7549120, 15098240, 30196480]

約数ペア:

[(1, 30196480), (2, 15098240), (4, 7549120), (5, 6039296), (8, 3774560), (10, 3019648), (16, 1887280), (20, 1509824), (31, 974080), (32, 943640), (40, 754912), (62, 487040), (64, 471820), (80, 377456), (124, 243520), (128, 235910), (155, 194816), (160, 188728), (248, 121760), (256, 117955), (310, 97408), (320, 94364), (496, 60880), (620, 48704), (640, 47182), (761, 39680), (992, 30440), (1240, 24352), (1280, 23591), (1522, 19840), (1984, 15220), (2480, 12176), (3044, 9920), (3805, 7936), (3968, 7610), (4960, 6088)]