21156970320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29384681}}^1$

素因数の和:29384700

約数の個数: 60

約数和(自身を含む): 71052161076

約数和(自身を除く): 49895190756

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29384681, 58769362, 88154043, 117538724, 146923405, 176308086, 235077448, 264462129, 293846810, 352616172, 440770215, 470154896, 528924258, 587693620, 705232344, 881540430, 1057848516, 1175387240, 1322310645, 1410464688, 1763080860, 2115697032, 2350774480, 2644621290, 3526161720, 4231394064, 5289242580, 7052323440, 10578485160, 21156970320]

約数ペア:

[(1, 21156970320), (2, 10578485160), (3, 7052323440), (4, 5289242580), (5, 4231394064), (6, 3526161720), (8, 2644621290), (9, 2350774480), (10, 2115697032), (12, 1763080860), (15, 1410464688), (16, 1322310645), (18, 1175387240), (20, 1057848516), (24, 881540430), (30, 705232344), (36, 587693620), (40, 528924258), (45, 470154896), (48, 440770215), (60, 352616172), (72, 293846810), (80, 264462129), (90, 235077448), (120, 176308086), (144, 146923405), (180, 117538724), (240, 88154043), (360, 58769362), (720, 29384681)]