21787680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2426

約数の個数: 96

約数和(自身を含む): 72273600

約数和(自身を除く): 50485920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2389, 3040, 4560, 4778, 7167, 9120, 9556, 11945, 14334, 19112, 23890, 28668, 35835, 38224, 45391, 47780, 57336, 71670, 76448, 90782, 95560, 114672, 136173, 143340, 181564, 191120, 226955, 229344, 272346, 286680, 363128, 382240, 453910, 544692, 573360, 680865, 726256, 907820, 1089384, 1146720, 1361730, 1452512, 1815640, 2178768, 2723460, 3631280, 4357536, 5446920, 7262560, 10893840, 21787680]

約数ペア:

[(1, 21787680), (2, 10893840), (3, 7262560), (4, 5446920), (5, 4357536), (6, 3631280), (8, 2723460), (10, 2178768), (12, 1815640), (15, 1452512), (16, 1361730), (19, 1146720), (20, 1089384), (24, 907820), (30, 726256), (32, 680865), (38, 573360), (40, 544692), (48, 453910), (57, 382240), (60, 363128), (76, 286680), (80, 272346), (95, 229344), (96, 226955), (114, 191120), (120, 181564), (152, 143340), (160, 136173), (190, 114672), (228, 95560), (240, 90782), (285, 76448), (304, 71670), (380, 57336), (456, 47780), (480, 45391), (570, 38224), (608, 35835), (760, 28668), (912, 23890), (1140, 19112), (1520, 14334), (1824, 11945), (2280, 9556), (2389, 9120), (3040, 7167), (4560, 4778)]