8399820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 28153440

約数和(自身を除く): 19753620

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, 89, 110, 121, 130, 132, 143, 156, 165, 178, 195, 220, 242, 260, 267, 286, 330, 356, 363, 390, 429, 445, 484, 534, 572, 605, 660, 715, 726, 780, 858, 890, 979, 1068, 1157, 1210, 1335, 1430, 1452, 1573, 1716, 1780, 1815, 1958, 2145, 2314, 2420, 2670, 2860, 2937, 3146, 3471, 3630, 3916, 4290, 4628, 4719, 4895, 5340, 5785, 5874, 6292, 6942, 7260, 7865, 8580, 9438, 9790, 10769, 11570, 11748, 12727, 13884, 14685, 15730, 17355, 18876, 19580, 21538, 23140, 23595, 25454, 29370, 31460, 32307, 34710, 38181, 43076, 47190, 50908, 53845, 58740, 63635, 64614, 69420, 76362, 94380, 107690, 127270, 129228, 139997, 152724, 161535, 190905, 215380, 254540, 279994, 323070, 381810, 419991, 559988, 646140, 699985, 763620, 839982, 1399970, 1679964, 2099955, 2799940, 4199910, 8399820]

約数ペア:

[(1, 8399820), (2, 4199910), (3, 2799940), (4, 2099955), (5, 1679964), (6, 1399970), (10, 839982), (11, 763620), (12, 699985), (13, 646140), (15, 559988), (20, 419991), (22, 381810), (26, 323070), (30, 279994), (33, 254540), (39, 215380), (44, 190905), (52, 161535), (55, 152724), (60, 139997), (65, 129228), (66, 127270), (78, 107690), (89, 94380), (110, 76362), (121, 69420), (130, 64614), (132, 63635), (143, 58740), (156, 53845), (165, 50908), (178, 47190), (195, 43076), (220, 38181), (242, 34710), (260, 32307), (267, 31460), (286, 29370), (330, 25454), (356, 23595), (363, 23140), (390, 21538), (429, 19580), (445, 18876), (484, 17355), (534, 15730), (572, 14685), (605, 13884), (660, 12727), (715, 11748), (726, 11570), (780, 10769), (858, 9790), (890, 9438), (979, 8580), (1068, 7865), (1157, 7260), (1210, 6942), (1335, 6292), (1430, 5874), (1452, 5785), (1573, 5340), (1716, 4895), (1780, 4719), (1815, 4628), (1958, 4290), (2145, 3916), (2314, 3630), (2420, 3471), (2670, 3146), (2860, 2937)]