31784220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 112641984

約数和(自身を除く): 80857764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 47, 51, 52, 60, 65, 68, 78, 85, 90, 94, 102, 117, 130, 141, 153, 156, 170, 180, 188, 195, 204, 221, 234, 235, 255, 260, 282, 289, 306, 340, 390, 423, 442, 468, 470, 510, 564, 578, 585, 611, 612, 663, 705, 765, 780, 799, 846, 867, 884, 940, 1020, 1105, 1156, 1170, 1222, 1326, 1410, 1445, 1530, 1598, 1692, 1734, 1833, 1989, 2115, 2210, 2340, 2397, 2444, 2601, 2652, 2820, 2890, 3055, 3060, 3196, 3315, 3468, 3666, 3757, 3978, 3995, 4230, 4335, 4420, 4794, 5202, 5499, 5780, 6110, 6630, 7191, 7332, 7514, 7956, 7990, 8460, 8670, 9165, 9588, 9945, 10387, 10404, 10998, 11271, 11985, 12220, 13005, 13260, 13583, 14382, 15028, 15980, 17340, 18330, 18785, 19890, 20774, 21996, 22542, 23970, 26010, 27166, 27495, 28764, 31161, 33813, 35955, 36660, 37570, 39780, 40749, 41548, 45084, 47940, 51935, 52020, 54332, 54990, 56355, 62322, 67626, 67915, 71910, 75140, 81498, 93483, 103870, 109980, 112710, 122247, 124644, 135252, 135830, 143820, 155805, 162996, 169065, 176579, 186966, 203745, 207740, 225420, 244494, 271660, 311610, 338130, 353158, 373932, 407490, 467415, 488988, 529737, 611235, 623220, 676260, 706316, 814980, 882895, 934830, 1059474, 1222470, 1589211, 1765790, 1869660, 2118948, 2444940, 2648685, 3178422, 3531580, 5297370, 6356844, 7946055, 10594740, 15892110, 31784220]

約数ペア:

[(1, 31784220), (2, 15892110), (3, 10594740), (4, 7946055), (5, 6356844), (6, 5297370), (9, 3531580), (10, 3178422), (12, 2648685), (13, 2444940), (15, 2118948), (17, 1869660), (18, 1765790), (20, 1589211), (26, 1222470), (30, 1059474), (34, 934830), (36, 882895), (39, 814980), (45, 706316), (47, 676260), (51, 623220), (52, 611235), (60, 529737), (65, 488988), (68, 467415), (78, 407490), (85, 373932), (90, 353158), (94, 338130), (102, 311610), (117, 271660), (130, 244494), (141, 225420), (153, 207740), (156, 203745), (170, 186966), (180, 176579), (188, 169065), (195, 162996), (204, 155805), (221, 143820), (234, 135830), (235, 135252), (255, 124644), (260, 122247), (282, 112710), (289, 109980), (306, 103870), (340, 93483), (390, 81498), (423, 75140), (442, 71910), (468, 67915), (470, 67626), (510, 62322), (564, 56355), (578, 54990), (585, 54332), (611, 52020), (612, 51935), (663, 47940), (705, 45084), (765, 41548), (780, 40749), (799, 39780), (846, 37570), (867, 36660), (884, 35955), (940, 33813), (1020, 31161), (1105, 28764), (1156, 27495), (1170, 27166), (1222, 26010), (1326, 23970), (1410, 22542), (1445, 21996), (1530, 20774), (1598, 19890), (1692, 18785), (1734, 18330), (1833, 17340), (1989, 15980), (2115, 15028), (2210, 14382), (2340, 13583), (2397, 13260), (2444, 13005), (2601, 12220), (2652, 11985), (2820, 11271), (2890, 10998), (3055, 10404), (3060, 10387), (3196, 9945), (3315, 9588), (3468, 9165), (3666, 8670), (3757, 8460), (3978, 7990), (3995, 7956), (4230, 7514), (4335, 7332), (4420, 7191), (4794, 6630), (5202, 6110), (5499, 5780)]