28974660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 96347328

約数和(自身を除く): 67372668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 286, 307, 330, 363, 390, 429, 484, 572, 605, 614, 660, 715, 726, 780, 858, 921, 1210, 1228, 1430, 1452, 1535, 1573, 1716, 1815, 1842, 2145, 2420, 2860, 3070, 3146, 3377, 3630, 3684, 3991, 4290, 4605, 4719, 6140, 6292, 6754, 7260, 7865, 7982, 8580, 9210, 9438, 10131, 11973, 13508, 15730, 15964, 16885, 18420, 18876, 19955, 20262, 23595, 23946, 31460, 33770, 37147, 39910, 40524, 43901, 47190, 47892, 50655, 59865, 67540, 74294, 79820, 87802, 94380, 101310, 111441, 119730, 131703, 148588, 175604, 185735, 202620, 219505, 222882, 239460, 263406, 371470, 439010, 445764, 482911, 526812, 557205, 658515, 742940, 878020, 965822, 1114410, 1317030, 1448733, 1931644, 2228820, 2414555, 2634060, 2897466, 4829110, 5794932, 7243665, 9658220, 14487330, 28974660]

約数ペア:

[(1, 28974660), (2, 14487330), (3, 9658220), (4, 7243665), (5, 5794932), (6, 4829110), (10, 2897466), (11, 2634060), (12, 2414555), (13, 2228820), (15, 1931644), (20, 1448733), (22, 1317030), (26, 1114410), (30, 965822), (33, 878020), (39, 742940), (44, 658515), (52, 557205), (55, 526812), (60, 482911), (65, 445764), (66, 439010), (78, 371470), (110, 263406), (121, 239460), (130, 222882), (132, 219505), (143, 202620), (156, 185735), (165, 175604), (195, 148588), (220, 131703), (242, 119730), (260, 111441), (286, 101310), (307, 94380), (330, 87802), (363, 79820), (390, 74294), (429, 67540), (484, 59865), (572, 50655), (605, 47892), (614, 47190), (660, 43901), (715, 40524), (726, 39910), (780, 37147), (858, 33770), (921, 31460), (1210, 23946), (1228, 23595), (1430, 20262), (1452, 19955), (1535, 18876), (1573, 18420), (1716, 16885), (1815, 15964), (1842, 15730), (2145, 13508), (2420, 11973), (2860, 10131), (3070, 9438), (3146, 9210), (3377, 8580), (3630, 7982), (3684, 7865), (3991, 7260), (4290, 6754), (4605, 6292), (4719, 6140)]