168908940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 547223040

約数和(自身を除く): 378314100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 191, 204, 255, 289, 306, 340, 382, 510, 573, 578, 612, 764, 765, 867, 955, 1020, 1146, 1156, 1445, 1530, 1719, 1734, 1910, 2292, 2601, 2865, 2890, 3060, 3247, 3438, 3468, 3820, 4335, 4913, 5202, 5730, 5780, 6494, 6876, 8595, 8670, 9741, 9826, 10404, 11460, 12988, 13005, 14739, 16235, 17190, 17340, 19482, 19652, 24565, 26010, 29223, 29478, 32470, 34380, 38964, 44217, 48705, 49130, 52020, 55199, 58446, 58956, 64940, 73695, 88434, 97410, 98260, 110398, 116892, 146115, 147390, 165597, 176868, 194820, 220796, 221085, 275995, 292230, 294780, 331194, 442170, 496791, 551990, 584460, 662388, 827985, 884340, 938383, 993582, 1103980, 1655970, 1876766, 1987164, 2483955, 2815149, 3311940, 3753532, 4691915, 4967910, 5630298, 8445447, 9383830, 9935820, 11260596, 14075745, 16890894, 18767660, 28151490, 33781788, 42227235, 56302980, 84454470, 168908940]

約数ペア:

[(1, 168908940), (2, 84454470), (3, 56302980), (4, 42227235), (5, 33781788), (6, 28151490), (9, 18767660), (10, 16890894), (12, 14075745), (15, 11260596), (17, 9935820), (18, 9383830), (20, 8445447), (30, 5630298), (34, 4967910), (36, 4691915), (45, 3753532), (51, 3311940), (60, 2815149), (68, 2483955), (85, 1987164), (90, 1876766), (102, 1655970), (153, 1103980), (170, 993582), (180, 938383), (191, 884340), (204, 827985), (255, 662388), (289, 584460), (306, 551990), (340, 496791), (382, 442170), (510, 331194), (573, 294780), (578, 292230), (612, 275995), (764, 221085), (765, 220796), (867, 194820), (955, 176868), (1020, 165597), (1146, 147390), (1156, 146115), (1445, 116892), (1530, 110398), (1719, 98260), (1734, 97410), (1910, 88434), (2292, 73695), (2601, 64940), (2865, 58956), (2890, 58446), (3060, 55199), (3247, 52020), (3438, 49130), (3468, 48705), (3820, 44217), (4335, 38964), (4913, 34380), (5202, 32470), (5730, 29478), (5780, 29223), (6494, 26010), (6876, 24565), (8595, 19652), (8670, 19482), (9741, 17340), (9826, 17190), (10404, 16235), (11460, 14739), (12988, 13005)]